Effect of various spatial arrangements of Eucalyptus tereticornis on growth and yield of wheat varieties
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Date
2017
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CCSHAU
Abstract
The present investigation entitled “Effect of various spatial arrangements of Eucalyptus tereticornis on
growth and yield of wheat varieties” was carried out at research area of Forestry Department, CCS Haryana
Agricultural University, Hisar during winter seasons of 2013-14 and 2014-15 to study the effect of different spatial
arrangements (3×3 m, 6×1.5 m and paired row 17×1×1 m) and different row directions (East-West and North-
South) after completing 7 and 8 years of age of Eucalypts on the performance of different wheat varieties (HD-
2967, WH-542, DPW-621-50, HD-943 and WH-1105). Production of various wheat varieties was significantly
reduced in association with all the three spatial arrangements of Eucalypts in comparison to control. Paired row
planting (17×1×1 m) of Eucalypts was found best for production of wheat followed by 6×1.5 m and 3×3 m.
Among wheat varieties, variety HD-2967 produced significantly higher number of total tillers, effective tillers,
spike length, grain weight per spike, number of grains per spike, test weight, grain and straw yield in paired row
(17×1×1 m) planting than planting at 6×1.5 m and 3×3 m during 2013-14 and 2014-15. The variety WH-1105 was
found to be very sensitive to shade and exhibited very poor growth, yield attributing characters and yield under
different spatial arrangements of Eucalypts however, it showed highest growth and yield under control. Growth of
Eucalypts was significantly higher in 3×3 m planting than 6×1.5 m and paired row planting (17×1×1 m). The
organic carbon in soil increased with the decrease in tree spacing and was maximum (0.72%) under 3×3 m spacing
and which had followed the order of 3×3 m >6×1.5 m >17×1×1 m > control after the harvesting of wheat crop
during 2014-15. On the other hand, in different row directions of bund planted Eucalypts after the harvest of wheat
crop, the organic carbon was found significantly higher up to 2 m distance from Eucalypts tree line during 2014-
15. The available nitrogen, phosphorus and potassium were also significantly influenced by row directions of bund
planted Eucalypts as in organic carbon. The significant differences in total tillers, effective tillers, spike length,
grain weight per spike, number of grains per spike, test weight, grain and straw yield were also observed in all the
four aspects during both the years. Among different wheat varieties, HD-2967 recorded maximum number of
spikes, spike length, grain weight per spike, number of grains per spike, test weight, grain and straw yield in
southern aspect, at all the distances (2, 4, 6, 8 and 10 m) from tree line followed by variety DPW-621-50 and WH-
542 during 2013-14 and 2014-15.The reduction in wheat production was maximum in northern aspect followed by
eastern and western aspect. The variety WH-1105 exhibited lesser number of growth and yield attributing
parameters in all the four aspects of East-West and North-South Eucalypts bund plantation however, it showed
higher number of growth and yield attributing parameters in control during both the years under the study.
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